Finding the Fourth Proportional to 1,040.98, 1,562.67 and 714.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.98 : 1,562.67 = 714.04 : x
2. Step 2: Convert to fraction form
   1,040.98/1,562.67 = 714.04/x
3. Step 3: Cross multiply
   1,040.98x = 1,562.67 × 714.04
4. Step 4: Simplify right side
   1,040.98x = 1,115,808.89
5. Step 5: Solve for x
   x = 1,115,808.89/1,040.98
6. Step 6: Final answer
   x = 1,071.88